Questions

_________ software are freely available and can be edited and customized by anyone.

In 2004, NASA launched the Messenger Spacecraft to study ___.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Don’t loiter _____ the corridor.

Who discovered the ABO blood group system?

Algal bloom results from

Which among the following is called quicksilver?

Dudhwa Tiger Reserve is in which state?

When is the World Energy Conservation Day celebrated?